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    Information about Ranitidine

    Ranitidine uses

    Ranitidine is used in the treatment of gastroesophageal reflux disease (acid reflux) and peptic ulcer disease.

    How ranitidine works

    Ranitidine is a H2 blocker (antacid). It works by reducing the amount of acid in the stomach which helps in relief of acid related indigestion and heartburn.

    Common side effects of ranitidine

    Headache, Constipation, Diarrhea, Sleepiness, Tiredness
    Content Details
    Written By
    Dr. Radhika Dua
    MDS (Oral Pathology & Microbiology), BDS
    Reviewed By
    Dr. Shilpa Garcha
    MD (Pharmacology), MBBS
    Last updated on:
    06 Aug 2019 | 03:03 PM (IST)
    Want to know more?
    Read Our Editorial Policy

    Available Medicine for Ranitidine

    • ₹3 to ₹80
      Cadila Pharmaceuticals Ltd
      4 variant(s)
    • ₹3 to ₹24
      Glaxo SmithKline Pharmaceuticals Ltd
      3 variant(s)
    • ₹3 to ₹80
      J B Chemicals and Pharmaceuticals Ltd
      7 variant(s)
    • ₹3 to ₹30
      Sun Pharmaceutical Industries Ltd
      4 variant(s)
    • ₹3 to ₹47
      Zydus Cadila
      5 variant(s)
    • ₹3 to ₹20
      Torrent Pharmaceuticals Ltd
      3 variant(s)
    • ₹63
      Aristo Pharmaceuticals Pvt Ltd
      1 variant(s)
    • ₹61
      Cadila Pharmaceuticals Ltd
      1 variant(s)
    • ₹38 to ₹62
      Ajanta Pharma Ltd
      2 variant(s)
    • ₹6 to ₹10
      Micro Labs Ltd
      2 variant(s)

    Expert advice for Ranitidine

    • Ranitidine is a well tolerated and safe medicine with a very low incidence of side effects.
    • Take it with or without food.
    • Take Ranitidine before going to bed if you are taking this medicine once a day as it is very effective in controlling stomach acid released in the midnight.
    • If you are also taking an antacid, take it two hours before or after taking Ranitidine.
    • Avoid taking soft drinks, citrus fruits like orange and lemon, which can irritate the stomach and increase acid secretion.
    • Inform your doctor if you do not feel better after taking Ranitidine for two weeks or 14 days as you may be suffering from some other problems.
    • Inform your doctor if you have ever been diagnosed with kidney disease. Dose of your medicine may need to be adjusted.
    • Do not stop taking medication without talking to your doctor. 

    Frequently asked questions for Ranitidine


    Q. Can I take Ranitidine empty stomach?

    Ranitidine may be taken with or without food. It can be taken once daily before bedtime or twice daily in the morning and before bedtime, as recommended.

    Q. How long does it take for Ranitidine to start working?

    After taking Ranitidine orally, the effect occurs within one hour. The maximum effect is generally reached within one to three hours of taking it. However, it depends upon the dose. The action of the medicine lasts for about 10 to 12 hours.

    Q. What is the difference between Ranitidine and omeprazole?

    Ranitidine and Omeprazole belong to different group of medicines. While Ranitidine belongs to histamine H2 antagonists group, Omeprazole belongs to proton pump inhibitors group. These medicines (Ranitidine and Omeprazole) work by reducing the amount of acid made by the stomach, to give relief of symptoms and allow healing to take place.

    Q. Can I take alcohol with Ranitidine?

    Alcohol does not interfere with the working of Ranitidine. But, you should avoid taking alcohol as it will further damage the stomach, delaying your recovery.

    Q. What are the serious side effects of Ranitidine?

    Ranitidine may have some serious side effects, but these are rare. These side effects may include hives, skin rash, itching, hoarseness and difficulty in breathing or swallowing. Another serious symptom may be swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs. Inform your doctor in case you notice any of the mentioned symptoms.

    Q. What are the dos and don’ts while taking Ranitidine?

    Avoid taking aspirin and other painkillers used to treat arthritis, period pain or headache. These medicines may irritate the stomach and make your condition worse. Contact your doctor who may suggest other medicines. Avoid coffee, tea, cocoa and cola drinks because these contain ingredients that may irritate your stomach. Eat smaller, more frequent meals. Eat slowly and chew your food carefully. Try not to rush at meal times. You should stop or cut down on smoking.

    Q. Is Ranitidine safe for long-term use?

    There is limited data available on whether Ranitidine can be used for a long term or not, but it is a relatively safe medicine. You should take it for the duration advised by your doctor. Do not take over-the-counter Ranitidine for longer than 2 weeks unless advised by your doctor.

    Q. Is Ranitidine effective?

    Ranitidine would be effective only if used for the right indication in the dose and for the duration as advised by the doctor. In case you do not find any change in your disease condition while taking this medicine, please talk to your doctor. Do not change the dose or stop taking the medicine without consulting your doctor.

    Content on this page was last updated on 06 August, 2019, by Dr. Varun Gupta (MD Pharmacology)